I had never considered until now that my left thumb never touches the keyboard.
$ virt-filesystems --long --parts --blkdevs -h -a bionic-server-cloudimg-amd64.img
Name Type MBR Size Parent
/dev/sda1 partition - 2.1G /dev/sda
/dev/sda14 partition - 4.0M /dev/sda
/dev/sda15 partition - 106M /dev/sda
/dev/sda device - 2.2G -
$ virt-resize --expand /dev/sda1 bionic-server-cloudimg-amd64.img bionic0.qcow2
$ virt-filesystems --long --parts --blkdevs -h -a bionic0.qcow2
Name Type MBR Size Parent
/dev/sda1 partition - 4.0M /dev/sda
/dev/sda2 partition - 106M /dev/sda
/dev/sda3 partition - 25G /dev/sda
/dev/sda device - 25G -
I am hoping this can be addressed before April, as I would prefer not to maintain my own LTS image (that doesn't have this issue).